@misc{Marek_Krutak_Materiały_2013,
 author={Marek Krutak},
 address={Poznań},
 year={2013},
 contents={Strona 272-289},
 publisher={Poznań : IZ,},
 language={pol},
 title={Materiały – Polacy na Zaolziu},
 type={text},
}